1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Manual, Page 221Get this manual
16Inspect the pinion bearing for damage without removing itIf the bearing is removed for any reasonit must be replaced Remove the bearing retaining screw from the gearcaseDiscard the O-ring from the screw Assemble the following components of OMC Pinion Bearing Remover and Installer, PI 391257, in the gearcase PI 326586 Flange Nut PI 391260 Plate PI 326582 Rod CD PI 326580 Remover